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Diffstat (limited to 'Source/WTF/wtf/text/win/WCharStringExtras.h')
-rw-r--r-- | Source/WTF/wtf/text/win/WCharStringExtras.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Source/WTF/wtf/text/win/WCharStringExtras.h b/Source/WTF/wtf/text/win/WCharStringExtras.h new file mode 100644 index 000000000..9d004e515 --- /dev/null +++ b/Source/WTF/wtf/text/win/WCharStringExtras.h @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2017 Konstantin Tokarev <annulen@yandex.ru> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +#include <wchar.h> +#include <wtf/text/WTFString.h> + +namespace WTF { + +inline Vector<wchar_t> stringToNullTerminatedWChar(const String& string) +{ + Vector<wchar_t> result; + + if (!string.isNull()) { + result.reserveInitialCapacity(string.impl()->length() + 1); + + if (string.is8Bit()) { + const LChar* characters8 = string.impl()->characters8(); + for (size_t i = 0; i < string.impl()->length(); ++i) + result.uncheckedAppend(characters8[i]); + } else { + const UChar* characters16 = string.impl()->characters16(); + result.append(characters16, string.impl()->length()); + } + + result.append(0); + } + + return result; +} + +inline String wcharToString(const wchar_t* characters, unsigned length) +{ + static_assert(sizeof(wchar_t) == sizeof(UChar), "We assume wchar_t and UChar have the same size"); + return String(reinterpret_cast<const UChar*>(characters), length); +} + +inline String nullTerminatedWCharToString(const wchar_t* characters) +{ + return wcharToString(characters, wcslen(characters) - 1); +} + +} // namespace WTF + +using WTF::stringToNullTerminatedWChar; +using WTF::wcharToString; +using WTF::nullTerminatedWCharToString; |